Medium severity · published Feb 8, 2026
CVE-2026-2147
Tenda AC21 Web Management DownloadLog information disclosure
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
A weakness has been identified in Tenda AC21 16.03.08.16. This impacts an unknown function of the file /cgi-bin/DownloadLog of the component Web Management Interface. Executing a manipulation can lead to information disclosure. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC21 · Tenda
16.03.08.16 · source: vendor
AF
Ac21 Firmware · Tenda
16.03.08.16 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2147
Exploit
https://github.com/master-abc/cve/issues/30
Permissions Required
https://vuldb.com/?ctiid.344849
Third Party Advisory
https://vuldb.com/?id.344849
Third Party Advisory
https://vuldb.com/?submit.747429
Product
https://www.tenda.com.cn/
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